patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Problem: Vim9: runtime and compile time type checks are not the same.
Solution: Add more runtime type checks for builtin functions. (Yegappan
Lakshmanan, closes #8646)
diff --git a/src/diff.c b/src/diff.c
index a47259e..aea1c0e 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -3272,6 +3272,9 @@
f_diff_filler(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
{
#ifdef FEAT_DIFF
+ if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL)
+ return;
+
rettv->vval.v_number = diff_check_fill(curwin, tv_get_lnum(argvars));
#endif
}